Tire guys; why can't tires be siped a second time?

[ICEMAN]

Ok you tire guru's, here is the question for the day;

Why can't tires be siped a second time after they wear down a bit...?

Thanks.

[HUNTINCOUPLE]

That's a darn good question? I noticed sometimes the tire will wear down to past the sipping. I would think the machine could be set to different depth settings?

[h20hunter]

Siping is a waste of $$ and time in the first place.

[ICEMAN]

Siping is a waste of $$ and time in the first place.

 

Some of us like siping and enjoy the benefit of better traction  and extended tire life.

[HUNTINCOUPLE]

Better traction and cooler operating temperature of tire for longer wear. Its helped me out over the years.

[HUNTINCOUPLE]

Siping is a waste of $$ and time in the first place.

That's a comment coming from a PINK FJ owner.

[Grit dog]

Siping is a waste of $$ and time in the first place.

you must never have siped a set of mud tires before.

Part of the reason as I was told you can't get them siped a 2nd time is all the sand and pebbles embedded in the sipes or tread dull the blades quickly hence tire shops won't do it.
You could always sipe them yourself, just make sure to stay out of the tire carcass.

And siped tires do wear quicker under heavy loads. Can't argue whether they run cooler under load but the road trip to AK this yr with a 4000 lb camper on siped Toyos wore those rear tires about 4x quicker than empty and at least twice as fast as non siped.
Still would reccomend siping of solid block tread tires for wet and snowy conditions. It's like havin a dedicated snow tire.

[h20hunter]

Yep...pink for sure. Get a better traction tire suited for your needs. Cutting the tread for traction is basically shortening the actual tire life by modifying the original tread. Tire shops have been selling it for years. Nothing but an upsell. Why dont manufactures sipe their own? Because it is a waste of money. However, if you believe in it then do your thing.

Bsck on topic I believe you cant sipe a second time for the same reason you dont cut rotors past a certain thickness. You need X amount 9f base material to work with.

[Goldeneye]

H20, Why are you on the net during good hunting hours?  Aren't you supposed to be elk hunting?

[timberghost72]

Yep...pink for sure. Get a better traction tire suited for your needs. Cutting the tread for traction is basically shortening the actual tire life by modifying the original tread. Tire shops have been selling it for years. Nothing but an upsell. Why dont manufactures sipe their own? Because it is a waste of money. However, if you believe in it then do your thing.

Bsck on topic I believe you cant sipe a second time for the same reason you dont cut rotors past a certain thickness. You need X amount 9f base material to work with.
 
Hit the nail on the head.

[h20hunter]

Got home yesterday. Loading some 40 and listening to the game on radio.. 

[Halo]

I don't sipe anything but I definitely would not sipe anything I planned on taking off pavement. I've seen them get torn up pretty fast in the jagged crushed rock on some roads.

[turkeyfeather]

Yep...pink for sure. Get a better traction tire suited for your needs. Cutting the tread for traction is basically shortening the actual tire life by modifying the original tread. Tire shops have been selling it for years. Nothing but an upsell. Why dont manufactures sipe their own? Because it is a waste of money. However, if you believe in it then do your thing.

Bsck on topic I believe you cant sipe a second time for the same reason you dont cut rotors past a certain thickness. You need X amount 9f base material to work with.

Similar to nitrogen filled tires. Total waste of money.

[j_h_nimrod]

Siping works very well, manufacturers have been doing it for years and know the value.  Look at a set of new tires, you see all the little squiggles through the blocks of tread? That is siping. Look at studless snow tires, there is usually extensive siping. They significantly improve traction in most instances, I certainly disagree that it is a waste of money.  Most tires have siping to some extent when new but they wear down turning the tire into a solid block tread. My Nitto Terra Grapplers were skates in the snow once they wore down a bit, after siping they gripped much better an so far I have not had any issues with increased wear. I would not do it to a tire I was going to be climbing with in heavy or sharp rock, that is where full block treads are useful and where siping is not necessary for grip anyway.

Back to the topic though, siping a second time can overlay old sipes with new ones and create areas that are too thin for safety and drastically increase the chances of the tread pealing off. They cannot ensure that all the old siping is gone and for liability reasons will not do it a second time.

[ICEMAN]

Siping works very well, manufacturers have been doing it for years and know the value.  Look at a set of new tires, you see all the little squiggles through the blocks of tread? That is siping. Look at studless snow tires, there is usually extensive siping. They significantly improve traction in most instances, I certainly disagree that it is a waste of money.  Most tires have siping to some extent when new but they wear down turning the tire into a solid block tread. My Nitto Terra Grapplers were skates in the snow once they wore down a bit, after siping they gripped much better an so far I have not had any issues with increased wear. I would not do it to a tire I was going to be climbing with in heavy or sharp rock, that is where full block treads are useful and where siping is not necessary for grip anyway.

Back to the topic though, siping a second time can overlay old sipes with new ones and create areas that are too thin for safety and drastically increase the chances of the tread pealing off. They cannot ensure that all the old siping is gone and for liability reasons will not do it a second time.

Great reply, thanks.